Guymon, OK to Rio de Janeiro: time difference
Rio de Janeiro is 2 h ahead of Guymon, OK. Live clocks for both, the working hours they share, and how each one sits against your own time.
🇧🇷 Rio de Janeiro, Brazil
32
- Brasilia Standard Time
- UTC-3
- Golden hour
☀️ 05:15 · 🌙 18:01 · 12 h 45 min
+2 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Guymon, OK 03:44 3:44 AM Rio de Janeiro 05:44 5:44 AM You –:–
03:44 3:44 AM
Central Daylight Time · UTC-5
☀️ 08:00 · 🌙 19:02
05:44 5:44 AM
Brasilia Standard Time · UTC-3
☀️ 05:15 · 🌙 18:01
·
+2 h
Rio de Janeiro is 2 h ahead of Guymon, OK.
When you, Guymon, OK and Rio de Janeiro are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇺🇸 Guymon, OK
0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM
🇧🇷 Rio de Janeiro
2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM 0 12 AM 1 1 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇺🇸 Guymon, OK | 🇧🇷 Rio de Janeiro |
|---|---|---|
| Local time | 03:44 | 05:44 |
| Local date | Thursday, October 22, 2026 | Thursday, October 22, 2026 |
| Time zone | Central Daylight Time | Brasilia Standard Time |
| UTC offset | UTC-5 | UTC-3 |
| Offset from Guymon, OK | — | +2 h |
| IANA zone | America/Chicago | America/Sao Paulo |
| Daylight saving | On summer time → UTC-6, Nov 1, 01:00 | Not observed |
| Sunrise | 08:00 | 05:15 |
| Sunset | 19:02 | 18:01 |
| Daylight | 11 h 1 min | 12 h 45 min |
| People on this clock | 11,442 | 6,211,223 |
Compare Guymon, OK with another city
More comparisons with Guymon, OK: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Guymon, OK and Rio de Janeiro: common questions
How many hours ahead of Guymon, OK, is Rio de Janeiro?
The clocks in Rio de Janeiro are 2 hours ahead of those in Guymon (UTC−3 and UTC−5).
What time is it in Rio de Janeiro at the start of the working day in Guymon, OK?
The working day in Guymon starts at 9:00 AM; in Rio de Janeiro it is 11:00 AM at that moment.
What time is it in Rio de Janeiro when it is 6:00 PM in Guymon, OK?
When it is 6:00 PM in Guymon, it is 8:00 PM in Rio de Janeiro.
When do working hours in Guymon, OK, and in Rio de Janeiro overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 4:00 PM in Guymon, which is 11:00 AM to 6:00 PM in Rio de Janeiro.
From what time in Guymon, OK, is it tomorrow in Rio de Janeiro?
Once it is 10:00 PM in Guymon, the date in Rio de Janeiro has already changed. Until 2:00 AM in Rio de Janeiro, it is still the previous day in Guymon.
Does the time gap between Guymon, OK, and Rio de Janeiro change during the year?
Yes – daylight saving time is used in Guymon but not in Rio de Janeiro. From November 1, 2026, Rio de Janeiro will be 3 hours ahead of Guymon.
